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Cambridge Investment Research Advisors, Inc.

Position in AMTM — Amentum Holdings, Inc.

CIK 1419186 FAIRFIELD, IA

Position in AMTM

as of Jun 30, 2026 · filed Jul 30, 2026
Position Value
$340,744
-$160,748 QoQ
Shares Held
16,485
-14.3% QoQ
Ownership
0.007%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#228
of 458 holders
Holding Since
Sep 2024
8 quarters on record

Common Shares in AMTM Over Time

Shares Held

Position Value (USD)

Position in Specialty Business Services

Industrials · as of Jun 30, 2026

Cambridge Investment Research Advisors, Inc. holds $13,619,609 across 9 Specialty Business Services names. AMTM ranks #7 (2.5% of the industry book) .

# Ticker Company Shares Value (USD) Open
7 AMTM
Amentum Holdings, Inc.
This page
16,485 $340,744

All Filings in AMTM

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8 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $340,744 16,485
2026-03-31 $501,492 19,229
2025-12-31 $501,874 17,306
2025-09-30 $423,004 17,662
2025-06-30 $429,206 18,179
2025-03-31 $276,403 15,187
2024-12-31 $360,370 17,136
2024-09-30 $636,453 19,735